CN101025281A - Outdoor unit for air conditioner - Google Patents
Outdoor unit for air conditioner Download PDFInfo
- Publication number
- CN101025281A CN101025281A CNA2007100057438A CN200710005743A CN101025281A CN 101025281 A CN101025281 A CN 101025281A CN A2007100057438 A CNA2007100057438 A CN A2007100057438A CN 200710005743 A CN200710005743 A CN 200710005743A CN 101025281 A CN101025281 A CN 101025281A
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- CN
- China
- Prior art keywords
- blade
- air
- rear edge
- edge portion
- axial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000004323 axial length Effects 0.000 claims abstract description 12
- 238000004378 air conditioning Methods 0.000 claims description 20
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 238000002474 experimental method Methods 0.000 description 6
- 241000628997 Flos Species 0.000 description 5
- 230000008676 import Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/40—Vibration or noise prevention at outdoor units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
Abstract
An outdoor unit for an air conditioner has an axial-flow fan and a bell mouth. The axial-flow fan is constructed by arranging blades at predetermined intervals along the outer periphery of a hub, each of the blades being formed such that the outline of its rear edge relative to the rotational direction is recessed toward its front edge. The bell mouth is provided on the side of air blow by the axial-flow fan. An axial-flow blower is provided in the outdoor unit. The bell mouth and the axial-flow fan are arranged in the axial-flow blower such that a ratio X/L is in the range of 0.2-0.8 with X being the distance between that portion of the blade's rear edge outline that is most deeply inwardly recessed in the rotating direction and an air outflow surface of the bell mouth, L being the axial length of bell mouth.
Description
The application be international filing date be on March 29th, 2004, national applications number be 200480008503.8, international application no is PCT/JP2004/004426, denomination of invention is divided an application for the application for a patent for invention of " off-premises station of air-conditioning ".
Technical field
The present invention relates to a kind of off-premises station of air-conditioning, say especially, relate to a kind of off-premises station that is provided with the axial blower that can suppress blower noise.
Background technology
In the conventional art, the off-premises station of air-conditioning is constructed like this, promptly a horn mouth is connected with a floss hole, and an axial blower is arranged in the described horn mouth along the air inflow direction, described axial blower has a tube-axial fan that is provided with a plurality of blades, described blade along an outer peripheral face that rotates hub with arranged at predetermined intervals.
In the described tube-axial fan of above-mentioned off-premises station, when air by means of the rotation of described tube-axial fan when axially advertising, it is corresponding that the leading edge portion of described blade and air import direction, the rear edge portion of described blade is corresponding with air outflow direction.
In recent years, in order to satisfy requirement that increases the blow rate required and the requirement that reduces motor load, existing people provides a kind of like this tube-axial fan, promptly in described tube-axial fan, the bight of the leading edge portion of blade and the peripheral part confluce of blade is protruded terribly to the rotation direction side, and the outline line of blade rear edge portion is formed concave shape (for example, Japanese Patent Application Publication document No.2002-257088) on the air inflow direction.
In above-mentioned tube-axial fan, the situation that is formed the near linear shape with the rear edge portion of blade is compared, and can be reduced in the eddy current that is produced in the tail side of described blade rear edge portion, therefore, can reach the effect that reduces blower noise and reduce motor load.
Yet, in traditional tube-axial fan, because being positioned at air, the side outer circumference end that the outline line of described blade rear edge portion flows into face from described bell-mouthed air imports on the direction, therefore, the air that flows out from described blade rear edge portion can bump with the peripheral end that described bell-mouthed air flows into face, thereby, can produce eddy current, thereby, blower noise is increased.
Summary of the invention
When conceiving, the present invention considered above-mentioned situation, the off-premises station that the purpose of this invention is to provide a kind of air-conditioning, it is provided with an axial blower, this invention is intended to concern the blade rear edge portion that adjusts by optimizing blade rear edge portion and bell-mouthed axial location, thereby, can reduce blower noise.
To achieve these goals, according to the present invention, a kind of off-premises station of air-conditioning is provided, it comprises: a tube-axial fan, it is provided with the blade of a plurality of outer peripheral faces along hub with arranged at predetermined intervals, each described blade all has a blade rear edge portion with outline line on gyratory directions, to provide to the recessed concave shape of blade leading edge direction; And horn mouth, it is arranged in the air blast side of described tube-axial fan, wherein, described horn mouth and described tube-axial fan are positioned to ratio (X/L) are in 0.2 to 0.8 the scope, wherein, X be on the described outline line of described blade rear edge portion along recessed to the inside the darkest recess of gyratory directions and the distance between the described bell-mouthed air effluent face, L is described bell-mouthed axial length.
Above-mentioned purpose also can realize by the off-premises station that a kind of like this air-conditioning is provided, it is that it comprises: a tube-axial fan, it is provided with the blade of a plurality of outer peripheral faces along hub with arranged at predetermined intervals, each described blade all has a blade rear edge portion with outline line on gyratory directions, to provide to the recessed concave shape of blade leading edge direction; And horn mouth, it is arranged in the air blast side of described tube-axial fan, wherein, described horn mouth and described tube-axial fan are positioned to ratio (Y/L) are in 0.3 to 0.9 the scope, wherein, Y is the point of outline line confluce of outline line on the circumferencial direction of described blade and described blade rear edge portion and the distance between the described bell-mouthed air effluent face, and L is described bell-mouthed axial length.
In the above-described embodiments, the concave shape of expecting the described outline line of described blade rear edge portion is a circular arc.
The concave shape of the described outline line of described blade rear edge portion also can be V-arrangement or trapezoidal.
More preferably, above-mentioned purpose of the present invention realizes by the off-premises station that a kind of like this air-conditioning is provided, it is that it comprises: a tube-axial fan, it is provided with the blade of a plurality of outer peripheral faces along hub with arranged at predetermined intervals, each described blade all has a blade rear edge portion with outline line on gyratory directions, to provide to the recessed concave shape of blade leading edge direction; And horn mouth, it is arranged in the air blast side of described tube-axial fan, wherein, described horn mouth and described tube-axial fan are positioned to ratio (X/L) are in 0.2 to 0.8 the scope, wherein, X be on the described outline line of described blade rear edge portion along recessed to the inside the darkest recess of gyratory directions and the distance between the described bell-mouthed air effluent face, L is described bell-mouthed axial length; And, wherein, described horn mouth and described tube-axial fan are positioned to ratio (Y/L) are in 0.3 to 0.9 the scope, wherein, Y is the point of outline line confluce of outline line on the circumferencial direction of described blade and described blade rear edge portion and the distance between the described bell-mouthed air effluent face, and L is described bell-mouthed axial length.
As mentioned above, according to the present invention, the above-mentioned off-premises station of air-conditioning can be provided, it is provided with such axial blower, being it can satisfy this requirement aspect two of blast rate and reduction motor load by the relation of the position between described tube-axial fan and the described horn mouth being set at optimal value in the described off-premises station of air-conditioning, and, can suppress the generation of the eddy current in the described blade rear edge portion of described tube-axial fan, and, can reduce blower noise.
Description of drawings
Fig. 1 is the schematic cross sectional views according to the off-premises station of air-conditioning of the present invention;
Fig. 2 is the overall structure figure of the tube-axial fan of the present invention when the pressure surface side of blade is seen;
Fig. 3 is a zoomed-in view, shows the blade according to the described tube-axial fan of the first embodiment of the present invention shown in Fig. 2:
Fig. 4 shows described tube-axial fan and the relation of the position between the horn mouth among first embodiment;
Fig. 5 is a curve map, show ratio (X/L) among first embodiment and the relation between the blower noise (wherein, X is the darkest recessed point on the outline line of blade rear edge of described tube-axial fan and the distance between the described bell-mouthed air effluent face, and L is described bell-mouthed axial length);
Fig. 6 is a zoomed-in view, shows a blade revising the tube-axial fan of embodiment according to first of first embodiment;
Fig. 7 is a zoomed-in view, shows according to another of first embodiment and revises a blade of the tube-axial fan of embodiment; And
Fig. 8 is a curve map, show according to a second embodiment of the present invention ratio (Y/L) and the relation between the blower noise (wherein, Y is the point of outline line confluce of outline line on the circumferencial direction of blade of described tube-axial fan and blade rear edge portion and the distance between the described bell-mouthed air effluent face, and L is described bell-mouthed axial length).
The specific embodiment
Below, will describe according to embodiments of the invention referring to Fig. 1 to 8.
Fig. 1 is the cutaway view of the off-premises station 1 of air-conditioning.
Off-premises station 1 with state that an indoor set (not shown) is connected under use, and have a fan guard 5 and cover cap and the main body cover cap 3 of described structural member and base plate 2 and constitute by be arranged in structural member on the base plate 2 or parts, floss hole 4 and who is arranged in base plate 2 on the outdoor ground, mentions after a while, wherein, described fan guard 5 cover caps floss hole 4.
Off-premises station 1 is provided with a compressor reducer 6, a kind of refrigeration cycle, an air blast 8 and a horn mouth 9, wherein, described compressor reducer 6 makes the cold-producing medium circulation in kind of refrigeration cycle, described kind of refrigeration cycle comprises an outdoor heat converter 7, in described outdoor heat converter 7, tabular heat radiation fin is layered in the heat-exchange tube that cooling agent flows through with predetermined space, described air blast 8 is used for outdoor air supply chamber outer heat-exchanger 7, described horn mouth 9 as described structural member within it portion be formed floss hole 4.
Air blast 8 is made of a tube-axial fan 10 and a fan electromotor 11, and is arranged between outdoor heat converter 7 and the horn mouth 9 on it is axial.
In this case, described structural member or parts from the upstream side of the air that produces by tube-axial fan 10 motor axially on be arranged side by side in the following order: outdoor heat converter 7, fan electromotor 11, tube-axial fan 10 and horn mouth 9,
Fig. 2 is a plane, shows the overall structure according to tube-axial fan 10 of the present invention when the pressure surface side of blade 10b is seen, Fig. 3 is a zoomed-in view, shows a blade 10b among Fig. 2.
In the tube-axial fan 10 of the first embodiment of the present invention shown in Fig. 2 and 3, the evenly spaced position of a plurality of blade 10b on the circumferencial direction of cylindrical hub 10a forms or whole the connection with the side of the outer peripheral face of cylindrical hub 10a is whole, and for example by resin moulded moulding or the whole formation of similar approach.
The rotating shaft of fan electromotor 11 is inserted and is fixed on the central part of hub 10a subsequently, and tube-axial fan 10 is rotated along the direction of arrow M by fan electromotor 11.
It is root 20 with the whole part that is connected of hub 10a that blade 10b has one.And, front side on the rotation direction of blade 10b (M) is formed blade leading edge portion 21, rear side on the described rotation direction is formed blade rear edge portion 22, and is formed blade peripheral part 23 with end that the peripheral end of the peripheral end of blade leading edge portion 21 and blade rear edge portion 22 all is being connected.
In addition, about the air-flow on the blade 10b that produces by means of the rotation of tube-axial fan 10, it is corresponding that blade leading edge portion 21 and air import direction, blade rear edge portion 22 and air outflow direction corresponding (Fig. 3).
Blade leading edge portion 21 protrudes terribly along rotation or gyratory directions towards blade peripheral part 23 from root 20, and the outline line of blade rear edge portion 22 is formed in the circular arc recess that the importing direction opposite with air outflow direction is recessed on.
And the bight corresponding with connecting portion (intersection portion) between blade rear edge portion 22 and the blade peripheral part 23 is formed in air and flows out the protuberance 24 that protrudes on the direction.
Air sucks in the inside of described off-premises station by the rotation of tube-axial fan 10, and by outdoor heat converter 7, tube-axial fan 10 and horn mouth 9, then, is discharged into the outside of off-premises station 1 from fan guard 5.
Fig. 4 shows tube-axial fan 10 and the relation of the position between the horn mouth 9 among first embodiment.Horn mouth 9 be located at main body cover cap 3 floss hole 4 around, and tube-axial fan 10 axially on relative with blade rear edge portion 22.
In this case, the blade rear edge portion 22 of blade 10b arranges that so promptly its G and Q overlap on the horn mouth 9 in the axial direction fully, thereby, can be arranged in described horn mouth.
Fig. 5 is a curve map, show the relation between ratio (X/L) and the blower noise, wherein, the distance along between the air effluent face 9b of gyratory directions the darkest recessed to the inside some G and the horn mouth 9 among Fig. 4 in the blade rear edge portion 22 of blade 10b is made as X, and the axial length of horn mouth 9 is made as L.
As shown in Figure 5, by tube-axial fan 10 and horn mouth 9 are arranged in the following scope, be the some G of blade rear edge portion 22 axial length L that is in horn mouth 9 to the length X of described bell-mouthed air effluent face 9b about 20% to 80% between the scope of (0.2L to 0.8L), blower noise can be reduced, particularly, when length X approach length L 50% the time, blower noise can become minimum.Therefore, learn, length X is set in the above-mentioned scope can reduces blower noise effectively with experiment.For the experiment that obtains this knowledge is undertaken by described off-premises station being installed in the anechoic room and a microphone that is connected with noise meter being placed on the position of the front surface 1m of described off-premises station based on JIS (Z8731).Blower noise by described microphone is presented on the described noise meter with sound pressure level (dB).
Therefore, the collision that can flow into the peripheral end of face 9a by the air of the air that flows out from blade rear edge portion 22 and horn mouth 9 suppresses the generation of eddy current, thereby, can reduce blower noise by the eddy current generation.
Below, with the modification embodiment of description according to the off-premises station of the air-conditioning of above-mentioned first embodiment of the present invention.
Although it is different that first shown in Fig. 6 revises the shape of blade rear edge portion 22 of first embodiment among shape and Fig. 3 of blade rear edge portion of embodiment, but other identical or same parts represent with identical Reference numeral, and save the detailed description to them.
In described modification embodiment, different among the outline line of the blade rear edge portion 22 of tube-axial fan and first embodiment, described tube-axial fan is formed with the recess of an approximate V-arrangement.
As shown in Figure 6, tube-axial fan 10 is provided with the blade rear edge portion 22 of the outline line with the approximate V-arrangement recess that is recessed in the importing direction opposite with air outflow direction.
In this case, the some G of the circular arc recess among the summit Z of V-arrangement and first embodiment is corresponding, and V-arrangement blade rear edge portion 22 and the some Q1 of blade peripheral part 23 confluces and some Q among first embodiment are corresponding.
Having the above-mentioned first described tube-axial fan of revising the shape of embodiment in use carries out can obtaining the result identical with first embodiment in the resulting experimental result of experiment identical with first embodiment.
Below, will follow the second modification embodiment of description referring to Fig. 7 according to the off-premises station of the air-conditioning of the first embodiment of the present invention.
Although it is different that second shown in Fig. 7 revises the shape of blade rear edge portion 22 of first embodiment among shape and Fig. 3 of blade rear edge portion of embodiment, but other identical or same parts represent with identical Reference numeral, and save the detailed description to them.
Revise among the embodiment described second, different among the outline line of the blade rear edge portion 22 of tube-axial fan and first embodiment, described tube-axial fan is formed with a trapezoidal recess.
As shown in Figure 7, tube-axial fan 10 is provided with the blade rear edge portion 22 of the outline line of the recess with the approximate trapezoid that is recessed in the importing direction opposite with air outflow direction.
In this case, trapezoidal line part U is corresponding with some G among first embodiment, and trapezoid blade rear edge portion 22 and the some Q2 of blade peripheral part 23 confluces and some Q among first embodiment are corresponding.
Having the above-mentioned second described tube-axial fan of revising the shape of embodiment in use carries out can obtaining the result identical with first embodiment in the resulting experimental result of experiment identical with first embodiment.
Below, will a kind of off-premises station of air-conditioning according to a second embodiment of the present invention be described then.
In described second embodiment, the part identical with first embodiment shown in Fig. 4 represent with identical Reference numeral, and save the description to it.
In a second embodiment, compare with the structure shown in Fig. 4, the protuberance 24 of blade 10b is not positioned to and protrudes along axial air effluent face 9b from horn mouth 9.
Fig. 8 relates to second embodiment, it is a curve map, show the relation between ratio (Y/L) and the blower noise, wherein, the blade peripheral part 23 of blade 10b is made as a Q with the point of blade rear edge portion 22 confluces, distance between the air effluent face 9b of some Q and horn mouth 9 is made as Y, and the axial length of horn mouth 9 is made as L.
As shown in Figure 8, by tube-axial fan 10 and horn mouth 9 are arranged in the following scope, be the some Q of blade rear edge portion 22 axial length L that is in horn mouth 9 to the length Y of described bell-mouthed air effluent face 9b about 30% to 90% between the scope of (0.3L to 0.9L), blower noise can be reduced, particularly, when length Y approach length L 60% the time, blower noise can become minimum.Therefore, found through experiments, length Y is set in the above-mentioned scope can reduces blower noise effectively.Experiment is carried out under the condition identical with first embodiment.
As mentioned above, therefore, can suppress the generation of eddy current in the tail side of tube-axial fan 10 and the collision of fan guard 5 by the air that flows out from protuberance 24, thereby, blower noise also can be reduced by the eddy current generation.
And, in another preferred embodiment of the present invention, for example in the embodiment that is designed to satisfy simultaneously value X among first embodiment shown in Figure 4 and value Y among the relation between the L (ratio) and second embodiment and the relation between the L (ratio), self-evident, noise reduces effect and can be enhanced.
Industrial applicibility
As mentioned above, according to the present invention, can provide a kind of off-premises station of air-conditioning, it is provided with one The individual axial-flow type air blast of satisfying blast rate and reducing the requirement of this two aspect of motor load Machine, in addition, the generation of the eddy current in the blade rear edge section of described tube-axial fan can obtain Suppress, and blower noise can effectively be reduced.
Claims (4)
1. the off-premises station of an air-conditioning comprises:
A tube-axial fan, it is provided with the blade of a plurality of outer peripheral faces along hub with arranged at predetermined intervals, and each described blade all has a blade rear edge portion with outline line on gyratory directions, to provide to the recessed concave shape of blade leading edge direction; And
A horn mouth, it is arranged in the air blast side of described tube-axial fan,
Wherein, described horn mouth and described tube-axial fan are positioned to ratio (Y/L) are in 0.3 to 0.9 the scope, wherein, Y is the point of outline line confluce of outline line on the circumferencial direction of described blade and described blade rear edge portion and the distance between the described bell-mouthed air effluent face, and L is described bell-mouthed axial length.
2. the off-premises station of air-conditioning as claimed in claim 1 is characterized in that, the concave shape of the described outline line of described blade rear edge portion is a circular arc.
3. the off-premises station of air-conditioning as claimed in claim 1 is characterized in that, the concave shape of the described outline line of described blade rear edge portion is a V-arrangement.
4. the off-premises station of air-conditioning as claimed in claim 1 is characterized in that, the concave shape of the described outline line of described blade rear edge portion is trapezoidal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003096748A JP2004301451A (en) | 2003-03-31 | 2003-03-31 | Outdoor machine for air conditioner |
| JP2003096748 | 2003-03-31 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800085038A Division CN100343590C (en) | 2003-03-31 | 2004-03-29 | Outdoor unit for air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101025281A true CN101025281A (en) | 2007-08-29 |
| CN100480591C CN100480591C (en) | 2009-04-22 |
Family
ID=33127524
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100057438A Expired - Lifetime CN100480591C (en) | 2003-03-31 | 2004-03-29 | Outdoor unit for air conditioner |
| CNB2004800085038A Expired - Lifetime CN100343590C (en) | 2003-03-31 | 2004-03-29 | Outdoor unit for air conditioner |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800085038A Expired - Lifetime CN100343590C (en) | 2003-03-31 | 2004-03-29 | Outdoor unit for air conditioner |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1610068B1 (en) |
| JP (1) | JP2004301451A (en) |
| KR (1) | KR100724824B1 (en) |
| CN (2) | CN100480591C (en) |
| ES (1) | ES2332591T3 (en) |
| WO (1) | WO2004088210A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720700A (en) * | 2012-06-21 | 2012-10-10 | 海尔集团公司 | Blade of axial flow fan and axial flow fan for air conditioner |
| CN106903875A (en) * | 2017-03-16 | 2017-06-30 | 青岛科技大学 | A kind of 3D printing small-sized screw plasticizing apparatus |
| CN114341555A (en) * | 2019-08-26 | 2022-04-12 | 大金工业株式会社 | Air blower and heat pump unit |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4689262B2 (en) * | 2004-12-21 | 2011-05-25 | 東芝キヤリア株式会社 | Axial fan, outdoor unit of air conditioner |
| KR100749656B1 (en) | 2006-12-15 | 2007-08-14 | 주식회사 케이티 | Low noise type outdoor unit |
| KR101546905B1 (en) * | 2008-01-30 | 2015-08-24 | 엘지전자 주식회사 | Outdoor unit of air-conditioner |
| US9062888B2 (en) * | 2008-03-11 | 2015-06-23 | Mitsubishi Electric Corporation | Air conditioner |
| KR20130109515A (en) * | 2012-03-27 | 2013-10-08 | 삼성전자주식회사 | Axial fan of outdoor unit of air conditioner |
| US9551498B2 (en) * | 2012-06-28 | 2017-01-24 | Samsung Electronics Co., Ltd. | Indoor unit of air conditioner and method of controlling the air conditioner |
| JP6170783B2 (en) * | 2012-09-19 | 2017-07-26 | 東芝キヤリア株式会社 | Outdoor unit of propeller fan and air conditioner |
| CN105008723B (en) * | 2013-02-22 | 2017-08-15 | 日立空调·家用电器株式会社 | Screw ventilation and the air conditioner for possessing the screw ventilation |
| KR101734722B1 (en) | 2015-12-14 | 2017-05-11 | 엘지전자 주식회사 | Orifice for airconditioner |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2932814B2 (en) * | 1992-02-21 | 1999-08-09 | ダイキン工業株式会社 | Air conditioner |
| JPH06137608A (en) * | 1992-10-28 | 1994-05-20 | Toshiba Ave Corp | Outdoor unit for air conditioning apparatus |
| JP4140236B2 (en) * | 2000-12-28 | 2008-08-27 | ダイキン工業株式会社 | Blower and outdoor unit for air conditioner |
| EP1357296B1 (en) * | 2000-12-28 | 2006-06-28 | Daikin Industries, Ltd. | Blower, and outdoor unit for air conditioner |
| JP2002257088A (en) * | 2001-03-06 | 2002-09-11 | Toshiba Kyaria Kk | Axial flow fan |
| TW524928B (en) * | 2001-04-26 | 2003-03-21 | Daikin Ind Ltd | Blower and air conditioner with the same |
| JP2003013892A (en) * | 2001-04-26 | 2003-01-15 | Daikin Ind Ltd | Blower and air conditioner with blower |
-
2003
- 2003-03-31 JP JP2003096748A patent/JP2004301451A/en active Pending
-
2004
- 2004-03-29 WO PCT/JP2004/004426 patent/WO2004088210A1/en active Application Filing
- 2004-03-29 EP EP04724144A patent/EP1610068B1/en not_active Expired - Lifetime
- 2004-03-29 CN CNB2007100057438A patent/CN100480591C/en not_active Expired - Lifetime
- 2004-03-29 KR KR1020057018293A patent/KR100724824B1/en active IP Right Grant
- 2004-03-29 ES ES04724144T patent/ES2332591T3/en not_active Expired - Lifetime
- 2004-03-29 CN CNB2004800085038A patent/CN100343590C/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720700A (en) * | 2012-06-21 | 2012-10-10 | 海尔集团公司 | Blade of axial flow fan and axial flow fan for air conditioner |
| CN102720700B (en) * | 2012-06-21 | 2015-11-25 | 海尔集团公司 | The blade of axial fan and axial flow fan for air conditioner |
| CN106903875A (en) * | 2017-03-16 | 2017-06-30 | 青岛科技大学 | A kind of 3D printing small-sized screw plasticizing apparatus |
| CN114341555A (en) * | 2019-08-26 | 2022-04-12 | 大金工业株式会社 | Air blower and heat pump unit |
| CN114341555B (en) * | 2019-08-26 | 2023-09-19 | 大金工业株式会社 | Air supply device and heat pump unit |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1610068B1 (en) | 2009-09-16 |
| KR100724824B1 (en) | 2007-06-04 |
| ES2332591T3 (en) | 2010-02-09 |
| WO2004088210A1 (en) | 2004-10-14 |
| CN100343590C (en) | 2007-10-17 |
| EP1610068A4 (en) | 2007-11-21 |
| CN1768237A (en) | 2006-05-03 |
| CN100480591C (en) | 2009-04-22 |
| EP1610068A1 (en) | 2005-12-28 |
| KR20050120678A (en) | 2005-12-22 |
| JP2004301451A (en) | 2004-10-28 |
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